There are many things to consider when it comes to dogs for sale. First of all, if the shelter or rescue group is a reputable one, then they will usually have some sort of health guarantee on the dogs that they sell. Most of the time they will state this specifically in the ad that you read. It's also a good idea to ask to see the dogs and look around at them in person before making any decisions. In fact, the best way to make sure of a dog's current condition is to actually be able to see it and get an assessment from someone who can also tell you about his or her personality.
There are some dogs that need to go straight to a shelter or rescue organization due to behavioral issues. There are many reasons why these dogs may need to be placed with other dogs or put up for adoption. Some of these reasons can be that the dog has been abused, has some type of disease, or has been mistreated in some way. It's just better for the dog and other dogs when these sorts of things don't happen because then they won't end up in a shelter or rescue where there will be no one to help them out. Check it out.
If you're trying to find dogs in your area at a reasonable price then you should probably look into the possibility of going to a breeder. A lot of times people who are looking for puppies will go to pet stores instead of going through a breeder. There are some very good pet stores around as well as some puppy mills. However, some of the pet stores are just as bad as some puppy mills. One thing to keep in mind about buying from pet stores that buy from puppy mills, however, is that you'll almost definitely need to go through a breeder to get a healthy dog.
Many places also allow pet stores to set up shop at their facility. These places are usually puppy mills and you'll need to know what to do if you decide to go through one. One thing to keep in mind is that if they're selling dogs to people who've already got sick dogs at home, then you may have some big health problems on your hands. For example, if you get a sick Golden Retriever and take it to a pet store, then chances are that the vet there will tell you that the dog should never be put back into a shelter. They'd rather send it to a puppy mill instead.
Another option you can use to find dogs that are for sale is to find them on the internet. You can usually find them listed in online petfinder pages or in rescue groups. You can also try using your favorite search engine to look for the dogs. Just enter in whatever you think the dogs' names are and then start browsing. Google can sometimes be a big help in this situation. Keep in mind that you should keep in mind that not all rescue groups and online pathfinder sites are created equal, though. Read more here.
The best thing you can do is to look for dogs in your local area or in the surrounding areas where you'd like to travel. If you don't mind driving around and having the dog sit beside you for a while, then maybe you can get an unbiased look at the different breeders and shelters from the comfort of your own car. But if you want to avoid driving and dealing with the hassle of finding a place to park then perhaps you should look for a site that lets you do the searching for you. You can even sign up to receive notifications when new pet dogs are added to their adoption listings! See some facts at https://en.wikipedia.org/wiki/Puppy_(disambiguation).